19-08-2009 o 22:52:54 iu2 <isra...@elbit.co.il> wrote:

On Aug 19, 11:39 pm, "Diez B. Roggisch" <de...@nospam.web.de> wrote:
iu2 schrieb:

> Hi all,

> I need to create a dictionary out of a list.

> Given the list [1, 2, 3, 4, 5, 6]

> I need the dictionary: {1:2, 3:4, 5:6}

dict(zip(l[::2], l[1::2]))

Or (for long lists, when memory becomes expensive):

    dict(li[i:i+2] for i in xrange(0, len(li), 2))

Or probably better:

    from itertools import islice, izip
    dict(izip(islice(li, 0, None, 2), islice(li, 1, None, 2)))

Cheers,
*j

--
Jan Kaliszewski (zuo) <z...@chopin.edu.pl>
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